MIL-PRF-1/776F
TABLE I. Testing and inspection - Continued.
Inspection
Method
Notes
Conditions
Symbol
Limits
Unit
MIL-STD-
1311
Min
Max
Conformance inspection,
part 2 - Continued
Low-frequency
1031
---
No voltages
---
---
---
---
vibration
Shock, specified pulse
1042
---
No voltages;
---
---
---
---
test condition A,
except 15G
Low-frequency vibration
---
and shock, specified
pulse-test end points:
Electrode voltage (grid)
1261
---
Ec1
-60
-83
V dc
µA dc
Total grid current
1266
---
Ic1
---
-10
Conformance inspection
part 3
4/
Life test
Group C;
---
t
500
---
hrs
Eb = 3,000 V dc;
Ec2 = 350 V dc;
Ib = 100 mA dc;
Rg1 = 15,000 ohms;
F = 15 MHz (min)
Life-test end points:
---
Peak emission
1231
---
is
3.0
---
a
µA dc
Primary grid emission
1266
---
Isg1
---
-200
(control)
µA dc
1266
---
Isg2
---
-200
Primary grid emission
(screen)
µA dc
1266
---
Ic1
---
-10
Total grid current
Po
175
---
W
4/ 5/
Eb = 3,000 V dc;
Power oscillation (2)
1236
Ec2 = 350 V dc;
(useful)
Ib = 100 mA dc;
Rg1 = 15,000 ohms;
F = 110 MHz
See footnotes at top of next page.
3
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